Craftsman 917.273090 Owner's Manual page 32

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Mower blades will 1. Obstruction in clutch 1_ Remove obstruction.
not rotate mechanism
2. Worn/damaged mower 2. Replace mower drive belt.
drive belt.
3. Frozen idler pulley. 3. Replace idler pulley,
4_ Frozen blade mandrel. 4,. Replace blade mandrel.
Poor grass 1. Engine speed too slow.
discharge
2, Travel speed too fast.
& Wet grass.
4_
5
,,
!7.
,
9.
Mower deck not level
Low/uneven tire air
pressure.
Worn, bent or loose blade.
Buildup of grass, leaves
and trash under mower:
Mower drive belt worn.
Blades improperly installed
10.Improper blades use&
1 1 Clogged mower deck vent
holes from buildup of grass,
leaves, and trash around
mandrels.
Headlight(s) not 1.
working 2.
(if so equipped) 3
4.
5,
Battery will not 1.
charge 2.
3.
4.
1,
Engine "backfires"
when turning
engine "OFF"
Switch is "OFF".
Bulb(s) burned out.
Faulty light switch
Loose or damaged wiring.
Blown fuse,,
Bad battery cell(s).
Poor cable connection&
Faulty regulator
(if so equipped).
Faulty alterhater.
Engine throttle control not
set at "SLOW" position
for 30 seconds before
stopping engine.
1, Place throttle control in
"FAST" position.
2_ Shift to slower speed.
& Allow grass to dry before
mowing.
4_ Level mower deck.
5 Check tires for proper air
pressure,
6,, Replace/sharpen blade.
Tighten blade bolt.
7. Clean underside of mower
housing,,
8,. Replace mower drive belt.
9. Reinstall blades sharp edge
down.
10. Replace with blades listed
in this manual
11Clean around mandrels to
open vent holes.
1. Turn switch "ON",
2_ Replace bulb(s)
3. Check/replace light switch.
4 Check wiring and connec-
tions.
5. Replace fuse.
1. Replace battery.
2. Chectdclean all connec-
tions.
& Replace regulator.
4. Replace alternator_
Move throttle control to
"SLOW" position and allow
to idle for 30 seconds before
stopping engine_
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